The primary inclosure containing a drying agent such as silica gel or activated alumina.
NSN 5855-01-077-4523
NSN 6105-01-111-8319
NSN 5895-01-339-7612
NSN 6130-00-118-3852
NSN 5925-01-493-2309
NSN 5996-00-892-3462
NSN 6645-01-045-4088
NSN 4140-00-078-9357
NSN 6150-01-039-2564
NSN 6610-00-168-2200
NSN 5910-00-935-6459
NSN 5835-00-902-8680